Journalistic - A simple, yet powerful micro journaling app
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Nomie - Open-source mood and life tracking
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Cactus - Static site generator for designers. Uses Python and Django templates.
Basecamp - A simple and elegant project management system.